Our traditional aluminium-silicate refractory ceramic and low bio-resistant fibres are the perfect solution for aluminium and non-ferrous metal production processes. The Fiberfrax, Insulfrax and Isofrax product lines distributed by DUALINVEST offer a wide range of insulation properties that both primary and secondary aluminium production processes can benefit from. The versatility of the applications results in significant energy savings, increased productivity and improved metal quality throughout the production process including transportation, melting, casting and moulding.